The TOI-663 system (3 planets)
Distance209.5 ly
Planets3
Spectral typeM1 V
Star Teff3,681 K
Orbital period (days)
2.60
4.70
7.10
| Planet | Period (d) | Radius (R⊕) | Mass (M⊕) | Eq. temp K | Year |
|---|---|---|---|---|---|
| TOI-663 b | 2.60 | 2.27 | 4.4 | 674 | 2024 |
| TOI-663 c | 4.70 | 2.26 | 3.6 | 553 | 2024 |
| TOI-663 d | 7.10 | 1.92 | 5.2 | 482 | 2024 |
Values are NASA Exoplanet Archive estimates and may change. Equilibrium temperature is a theoretical value ignoring any atmosphere.